{"id":12335,"date":"2020-11-10T10:07:44","date_gmt":"2020-11-10T10:07:44","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/genista-triacanthos-brot-3\/"},"modified":"2026-07-22T09:50:20","modified_gmt":"2026-07-22T09:50:20","slug":"genista-triacanthos-brot-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/genista-triacanthos-brot-3\/","title":{"rendered":"Genista triacanthos Brot."},"content":{"rendered":"

Arbuste ou sous-arbuste de jusqu\u2019\u00e0 1(1,5) m de haut, \u00e9pineux, hermaphrodite, tr\u00e8s ramifi\u00e9, \u00e0 tiges dress\u00e9es ou d\u00e9combantes, peu feuillues. Tiges et rameaux vieux \u00e0 \u00e9corce brun\u00e2tre, fendill\u00e9e longitudinalement, glabre \u00e0 la fin. Ramilles jeunes vertes, stri\u00e9es-c\u00f4tel\u00e9s longitudinalement, \u00e0 4-5 c\u00f4tes en forme de V invers\u00e9, l\u00e9g\u00e8rement poilues au d\u00e9but, termin\u00e9es en \u00e9pine. \u00c9pines simples, bifurqu\u00e9es, trifurqu\u00e9es ou penn\u00e9es. Feuilles alternes, \u00e0 3(5) folioles \u2013celles des ramilles fertiles parfois unifoli\u00e9es ou bifoli\u00e9es par atrophie\u2013, sans stipules, subsessiles, \u00e0 folioles de 3,5-10 \u00d7 1-2 mm, lin\u00e9aires-lanc\u00e9ol\u00e9es ou oblongues-lanc\u00e9ol\u00e9es, bri\u00e8vement p\u00e9tiolul\u00e9es, att\u00e9nu\u00e9es \u00e0 la base, aigu\u00ebs, vertes, pub\u00e9rulentes ou glabrescentes sur les deux faces, accompagn\u00e9es \u00e0 la base de phyllodes spinescents. Inflorescences rac\u00e9miformes, terminales, plus ou moins denses, \u00e0 5-25 fleurs p\u00e9dicell\u00e9es, \u00e0 p\u00e9dicelle de jusqu\u2019\u00e0 2,5 mm, glabre. Calice de 3-5 mm, glabrescent, profond\u00e9ment divis\u00e9 en 2 l\u00e8vres, la sup\u00e9rieure bipartite en autant de segments triangulaires, et l\u2019inf\u00e9rieure trifide. Corolle de 5-9,5 mm, papilionac\u00e9e, jaune, caduque, \u00e0 \u00e9tendard ov\u00e9, aigu au sommet, glabre, de longueur sub\u00e9gale \u00e0 celle des ailes et sub\u00e9gale ou moindre que celle de la car\u00e8ne. Androc\u00e9e monadelphe, \u00e0 10 \u00e9tamines. Ovaire s\u00e9ric\u00e9 ou tomenteux, \u00e0 stigmate oblique et introrse. Gousse de 5,5-7,5 \u00d7 2,7-3,5 mm, ovo\u00efde-rhombo\u00efdale, comprim\u00e9e, brun\u00e2tre-rouge\u00e2tre ou noir\u00e2tre, \u00e9parsement s\u00e9ric\u00e9e, \u00e0 1(2) graines. Graines de 1,4-1,8 mm, ovo\u00efdes ou un peu comprim\u00e9es, lisses, brun\u00e2tres, sans arille.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12335","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nGenista triacanthos Brot. - North Africa Trees<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Genista triacanthos Brot. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste ou sous-arbuste de jusqu\u2019\u00e0 1(1,5) m de haut, \u00e9pineux, hermaphrodite, tr\u00e8s ramifi\u00e9, \u00e0 tiges dress\u00e9es ou d\u00e9combantes, peu feuillues. Tiges et rameaux vieux \u00e0 \u00e9corce brun\u00e2tre, fendill\u00e9e longitudinalement, glabre \u00e0 la fin. 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